
It's about oneandninetenths times as heavy as The Heart of a Blue Whale.
In other words, the weight of The Heart of a Blue Whale is 0.530 times 0.42550 tons.
(Balaenoptera musculus) (adult)(for a 2014 specimen) The heart of a blue whale weighs about 0.220 tons. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about twoandahalf times as heavy as a Reindeer.
In other words, 0.42550 tons is 2.330 times the weight of a Reindeer, and the weight of a Reindeer is 0.4290 times that amount.
(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)An adult, male reindeer weighs between 0.1820 tons. Reindeer undertake a lengthy annual migration, with some herds traveling up to 5,000 km. To all those observing, Merry Christmas from the Measure of Things.
It's about twoandahalf times as heavy as a Panda Bear.
In other words, the weight of a Panda Bear is 0.380 times 0.42550 tons.
(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)An adult, male Giant Panda weighs up to 0.170 tons. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 0.0071 tons of it per day to compensate for the limited energy the plant provides.
It's about onefourth as heavy as a Car.
In other words, 0.42550 tons is 0.23370 times the weight of a Car, and the weight of a Car is 4.2790 times that amount.
(for 2009 Ford Taurus; automatic transmission; curb weight)A 2009 Ford Taurus weighs 1.8210 tons. The first massproduced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 0.42550 tons.
It's about fourandahalf times as heavy as a Kangaroo.
In other words, the weight of a Kangaroo is 0.220 times 0.42550 tons.
(for red kangaroo, Macropus rufus) (adult, male)An adult, male red kangaroo weighs up to 0.094 tons. Fantastic jumpers, red kangaroos can leap horizontally 9 m (30 ft) and vertically 3 m (9 ft) in a single bound.
It's about onefifth as heavy as a Giraffe.
In other words, the weight of a Giraffe is 5 times 0.42550 tons.
(Giraffa camelopardalis reticulata) (adult, male, maximum of range)An adult, male giraffe can weigh up to 2.130 tons. Reaching 5.5 m (18 ft) in height by adulthood, giraffe calves can grow as much as 3 cm (1 in) per day.
It's about fiveandahalf times as heavy as a Beer Keg.
In other words, 0.42550 tons is 5.3020 times the weight of a Beer Keg, and the weight of a Beer Keg is 0.18860 times that amount.
(for US halfbarrel, full keg; draft beer; including keg itself, stainless steel)A typical, halfbarrel beer keg weighs 0.08025 tons when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases. 
